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Date: 05 Jan 2013 16:52:00 +0100
From: Hullen@t-online.de (Helmut Hullen)
To: linux-btrfs@vger.kernel.org
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Subject: Re: cleaning old entries
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Hallo, Jan,

Du meintest am 05.01.13:

>> Has "mkfs.btrfs" to delete the "/dev/sdb" data when it overwrites
>> the configuration with data for partitions? Or has the user to run
>> something like "dd if=/dev/zero ..."?

> Take a look at:
> https://btrfs.wiki.kernel.org/index.php/Problem_FAQ#How_to_clean_up_o
> ld_superblock_.3F

Thank you - "wipefs" may help.

Viele Gruesse!
Helmut